General knowledge of textile fabrics
Indication of yarn thickness: Fixed length system(1) Denier (d): that is, the weight of 9000 ⽶ long (g). The more ⼤ this, the thicker the yarn. “General” and “Daniel” are used to represent the thickness of chemical fiber; For example, polyester spinning: 68D * 68D means that the warp direction is 68D thick and thin …